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If you're having connection problems with a specific mobile device, the best way to troubleshoot is with the Xfinity app. Log in to the Xfinity app. Select the WiFi tab. Select the specific device having issues. Scroll down and select Troubleshoot Device. Follow the prompts to determine what the problem may be and how to fix it.
Run a test to 75.75.75.75, 75.75.76.76 or other Comcast DNS server. These servers de-prioritize ICMP traffic and will provide false-positives. Run a test to your modem/gateway's external IP address while on your network. Run a test while connected to a VPN service.
Customers with older Xfinity Gateways or who own their own modems can use the Xfinity app to run a speed test and restart their modem/gateway. How To Restart Your Xfinity Gateway Many common WiFi connectivity issues can be solved by restarting your Xfinity Gateway (our all-in-one WiFi modem and router).
This test is available to Xfinity Internet customers with compatible xFi Gateways (excludes DPC3939 and AX5001 models) through the Xfinity app. Speed to gateway vs. speed to devices It’s important to differentiate between the speed of the internet connection to the Gateway and the speed that reaches individual devices in the home .
Ethernet much slower than the wifi. We have been dealing with this problem for a while. We are on the 1000mbps plan and we are getting 400mbps on wifi and only 90mbps on ethernet. The pc that is hooked up to the router we have taken to the shop recently and everything worked fine and connected to the ethernet just fine.
Internet connection is unstable. The xfinity app and sites run their tests and say it all works but I can't be in an online call, or stream a show, or what have you without repeated internet drops. Sometimes the connection is wholly unusable and I have to write off using wifi for the day. All while xfinity app says my connection is Perfect ...
If so, as a test, does a computer / device that is hardwired directly to the router / gateway device with an ethernet cable have the same problem ? With this test, we are trying to isolate this down to being either a WiFi-only problem or a problem with the general connection to the Comcast system which would of course affect both.
For the past month, every night between 2-3 AM my internet goes out. I am using my PC with an ethernet cord when this happens. My phone on wifi also loses connection. Then it comes back 5 minutes later and resumes working properly. Other than this issue at night, my internet works completely fine. Question.
How to find out the type of internet connection? I am an Xfinity wifi customer, trying to set up a mesh wifi network at home but need to input the details about the type of internet connection (e.g. Dynamic IP, static IP, PPPoE, L2TP, PPTP, DS-Lite), and input the settings associated. How do I find out this information?
My Internet is so slow I can't connect to run a speed test. Was this helpful? @user_069633 Our awesome expert, @EG, provided some great information in the link they posted. What sort of troubleshooting have you accomplished from your end? Have you had a chance to see if any of those self-troubleshooting tips apply ?